2606963 has 2 divisors, whose sum is σ = 2606964. Its totient is φ = 2606962.

The previous prime is 2606951. The next prime is 2606969. The reversal of 2606963 is 3696062.

Added to its reverse (3696062) it gives a triangular number (6303025 = T₃₅₅₀).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2606963 - 2¹⁸ = 2344819 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2606969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303481 + 1303482.

It is an arithmetic number, because the mean of its divisors is an integer number (1303482).

2^2606963 is an apocalyptic number.

2606963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606963 is an equidigital number, since it uses as much as digits as its factorization.

2606963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 2606963 is about 1614.6092406524. The cubic root of 2606963 is about 137.6295286310.

Adding to 2606963 its reverse (3696062), we get a triangular number (6303025 = T₃₅₅₀).

The spelling of 2606963 in words is "two million, six hundred six thousand, nine hundred sixty-three".